3 years ago

Evaluate 18 - 5x when x = -7

Mathematics

1 answer:

sukhopar [10]3 years ago

3 0

Answer:

i thinks its -53

Step-by-step explanation:

18-5x

5x-7= -35

-35-18

-53

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The perimeter of a square is represented by the expression 32x - 12.8. Which of the following expressions is not equivalent to t

KengaRu [80]

Answer:18

Step-by-step explanation:

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3 years ago

Plsss Help me plsssssssssssss

Mazyrski [523]

Answer:

If, a = 2 and b = 3

It's not equivalent.

<h3>Diego</h3><h3> $4a + 9b = 7a + 5b - 3a + 4b \\ 4(2) + 9(3) = 7(2) + 5(3) - 3(2) + 4(3) \\ 8 + 27 = 14 + 15 - 6 + 12 \\ 35 = 35 \\$ </h3>

It's equivalent.

The correct equation is 4a + 9b.

5 0

3 years ago

(−m <br> 2<br> +6)+(−4m <br> 2<br> +7m+2)

dmitriy555 [2]

Following are calculation to the given eqution:

Given:

$\bold{(-m^2+6)+(-4m^2+7m+2)}$

To find:

Solve the equation.

Solution:

$\to \bold{(-m^2+6)+(-4m^2+7m+2)}\\\\\to \bold{-m^2+6-4m^2+7m+2}\\\\\to \bold{-5m^2+7m+8}\\\\\to \bold{-1(5m^2-7m-8)}\\\\$

Therefore, the final solution is " $-1(5 m^2-7m-8)$ ".

Learn more:

brainly.com/question/12685776

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3 years ago

A line segment connecting two vertices of a polygon is called a _______

Elan Coil [88]

Answer: diagonal

Step-by-step explanation:

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4 years ago

Solve for x for brainiest

saul85 [17]

Lovee the nails!!!

my guess is x=28

hope this helps!!! :))

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2 years ago

Evaluate 18 - 5x when x = -7​

Evaluate 18 - 5x when x = -7